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Finding the Fourth Proportional to 367,632.10, 551,448.15 and 157,291.30

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Solution

The fourth proportional to 367,632.10, 551,448.15 and 157,291.30 is: 235,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,632.10 : 551,448.15 = 157,291.30 : x
  2. Step 2: Convert to fraction form
    367,632.10/551,448.15 = 157,291.30/x
  3. Step 3: Cross multiply
    367,632.10x = 551,448.15 × 157,291.30
  4. Step 4: Simplify right side
    367,632.10x = 86,737,996,396.10
  5. Step 5: Solve for x
    x = 86,737,996,396.10/367,632.10
  6. Step 6: Final answer
    x = 235,936.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.